The grub screw setting allows drilling up to 45mm.
The width of the countersink / counterbore is 12mm.
The depth stop stops rotating when it contacts the wood surface and leaves a mar free finish. Drill is brad pointed and the drive is standard 1/4 inch hex with detent shank.
Item T0994 has a 4mm diameter drill
Item T0995 has a 5mm diameter drill